DE3866728D1 - METHOD FOR DEARYLATION OF ALKYLENE BISPHENOLS AND ALKYL TRISPHENOLS. - Google Patents

METHOD FOR DEARYLATION OF ALKYLENE BISPHENOLS AND ALKYL TRISPHENOLS.

Info

Publication number
DE3866728D1
DE3866728D1 DE8888300617T DE3866728T DE3866728D1 DE 3866728 D1 DE3866728 D1 DE 3866728D1 DE 8888300617 T DE8888300617 T DE 8888300617T DE 3866728 T DE3866728 T DE 3866728T DE 3866728 D1 DE3866728 D1 DE 3866728D1
Authority
DE
Germany
Prior art keywords
alkyl
dearylation
trisphenols
alkylene bisphenols
bisphenols
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8888300617T
Other languages
German (de)
Inventor
Graham Nigel Mott
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CNA Holdings LLC
Original Assignee
Hoechst Celanese Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoechst Celanese Corp filed Critical Hoechst Celanese Corp
Application granted granted Critical
Publication of DE3866728D1 publication Critical patent/DE3866728D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/50—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms
    • C07C37/52—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions decreasing the number of carbon atoms by splitting polyaromatic compounds, e.g. polyphenolalkanes
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/54—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of compounds containing doubly bound oxygen atoms, e.g. esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

Alkylenebisphenols and alkyltrisphenols are dearylated under mild conditions of temperature and pressure in the absence of HF to obtain alkyl and/or alkenyl substitute or phenols and other related polymer products.
DE8888300617T 1987-02-09 1988-01-26 METHOD FOR DEARYLATION OF ALKYLENE BISPHENOLS AND ALKYL TRISPHENOLS. Expired - Fee Related DE3866728D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/012,419 US4754081A (en) 1987-02-09 1987-02-09 Process for dearylation of alkylenebisphenols and alkyltrisphenols

Publications (1)

Publication Number Publication Date
DE3866728D1 true DE3866728D1 (en) 1992-01-23

Family

ID=21754881

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888300617T Expired - Fee Related DE3866728D1 (en) 1987-02-09 1988-01-26 METHOD FOR DEARYLATION OF ALKYLENE BISPHENOLS AND ALKYL TRISPHENOLS.

Country Status (7)

Country Link
US (1) US4754081A (en)
EP (1) EP0280403B1 (en)
JP (1) JPS63201140A (en)
AT (1) ATE70253T1 (en)
CA (1) CA1310665C (en)
DE (1) DE3866728D1 (en)
ES (1) ES2029006T3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5171895A (en) * 1992-03-23 1992-12-15 Merichem Company Removal of guaiacol from cresylic acid feedstreams
US5756781A (en) * 1995-09-29 1998-05-26 General Electric Company Method for making tris(hydroxyphenyl) compounds using ion exchange
JP4447076B2 (en) * 1999-07-06 2010-04-07 三井化学株式会社 Method for cleaving bisphenols
US11110428B2 (en) 2019-10-09 2021-09-07 Saudi Arabian Oil Company Hydrodearylation reactor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB739907A (en) * 1952-09-10 1955-11-02 Distillers Co Yeast Ltd Recovery of phenols
US3075015A (en) * 1958-12-31 1963-01-22 Bayer Ag Processes for the recovery of phenols and carbonyl compounds from crude bisphenolic condensation products
US3466337A (en) * 1967-01-30 1969-09-09 Dow Chemical Co Regeneration of phenol from bisphenol a and byproducts
DE2508512C3 (en) * 1975-02-27 1981-10-08 Bayer Ag, 5090 Leverkusen Process for the preparation of O-derivatives of p-isopropenylphenol

Also Published As

Publication number Publication date
ES2029006T3 (en) 1992-07-16
JPS63201140A (en) 1988-08-19
ATE70253T1 (en) 1991-12-15
CA1310665C (en) 1992-11-24
US4754081A (en) 1988-06-28
EP0280403B1 (en) 1991-12-11
EP0280403A1 (en) 1988-08-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee